Aja
- AJ Auxerre
- Aja (Hindu mythology)
- Aja (album)
- Aja (name)
- Aja (orisha)
- Aja (song)
- Aja Mountain
- Aja language (Niger–Congo)
- Aja language (Nilo-Saharan)
- Aja people
- Aja people (South Sudan)
- Aja!
- Ajaccio Napoleon Bonaparte Airport
- Ajja (restaurant)
- Ajjah
- Al Jazeera America
- American Jewish Archives
- American Journal of Archaeology
- Arbeitskreis gemeinnütziger Jugendaustauschorganisationen
- Australian Journalists Association
- Islamic Republic of Iran Army
- Shiva
- The Association of Japanese Animations
- アジャ (disambiguation)